From a2804fb7b5228d3b8b2b855919c0b9425b76208c Mon Sep 17 00:00:00 2001 From: Norbert Preining Date: Mon, 9 Oct 2006 23:05:37 +0000 Subject: ltxmisc update git-svn-id: svn://tug.org/texlive/trunk@2292 c570f23f-e606-0410-a88d-b1316a301751 --- Master/texmf-dist/tex/latex/ltxmisc/braket.sty | 31 +++++++++++++++++--------- 1 file changed, 20 insertions(+), 11 deletions(-) (limited to 'Master/texmf-dist/tex/latex/ltxmisc') diff --git a/Master/texmf-dist/tex/latex/ltxmisc/braket.sty b/Master/texmf-dist/tex/latex/ltxmisc/braket.sty index 5d777b9fba0..b3f338847a5 100644 --- a/Master/texmf-dist/tex/latex/ltxmisc/braket.sty +++ b/Master/texmf-dist/tex/latex/ltxmisc/braket.sty @@ -1,5 +1,5 @@ % braket.sty Macros for Dirac bra-ket <|> notation and sets {|} -% Donald Arseneau asnd@triumf.ca Last modified 05-May-2005. +% Donald Arseneau asnd@triumf.ca Last modified 12-Sept-2006. % This is free, unencumbered, unsupported software. % % Commands defined are: @@ -26,20 +26,24 @@ % Because each definition is so small, it makes no sense to have a % complicated generic version for many bracket styles. Instead, % you can just copy the definitions and change \langle or \rangle, -% < and > to what you like. +% to what you like. % \def\bra#1{\mathinner{\langle{#1}|}} \def\ket#1{\mathinner{|{#1}\rangle}} \def\braket#1{\mathinner{\langle{#1}\rangle}} -\def\Bra#1{\left<#1\right|} -\def\Ket#1{\left|#1\right>} -{\catcode`\|=\active - \gdef\Braket#1{\begingroup +\def\Bra#1{\left\langle#1\right|} +\def\Ket#1{\left|#1\right\rangle} +% +\let\protect\relax +% +{\catcode`\|=\active + \xdef\Braket{\protect\expandafter\noexpand\csname Braket \endcsname} + \expandafter\gdef\csname Braket \endcsname#1{\begingroup \ifx\SavedDoubleVert\relax \let\SavedDoubleVert\|\let\|\BraDoubleVert \fi \mathcode`\|32768\let|\BraVert - \left<{#1}\right>\endgroup} + \left\langle{#1}\right\rangle\endgroup} } \def\BraVert{\@ifnextchar|{\|\@gobble}% turn || into \| {\egroup\,\mid@vertical\,\bgroup}} @@ -48,15 +52,18 @@ % The \mid@vertical is \vrule with ordinary TeX but \middle| in eTeX. % We always avoid a \mathchoice in making the inner vertical lines. -% Note that \right>, prints the same as \right\rangle but is faster. +% Note that \right\rangle is used now due to a failing in fourier.sty. % % \def\ketbra#1#2{\ket{#1}\bra{#2}} -% \def\Ketbra#1#2{\left|{#1}\vphantom{#2}\right>\left<{#2}\vphantom{#1}\right|} +% \def\Ketbra#1#2{\left|{#1}\vphantom{#2}\right\rangle\left\langle{#2}\vphantom{#1}\right|} % \Set{...|...} Only the first | is treated specially. {\catcode`\|=\active - \gdef\set#1{\mathinner{\lbrace\,{\mathcode`\|32768\let|\midvert #1}\,\rbrace}} - \gdef\Set#1{\left\{ + \xdef\set{\protect\expandafter\noexpand\csname set \endcsname} + \expandafter\gdef\csname set \endcsname#1{\mathinner + {\lbrace\,{\mathcode`\|32768\let|\midvert #1}\,\rbrace}} + \xdef\Set{\protect\expandafter\noexpand\csname Set \endcsname} + \expandafter\gdef\csname Set \endcsname#1{\left\{% \ifx\SavedDoubleVert\relax \let\SavedDoubleVert\|\fi \:{\let\|\SetDoubleVert \mathcode`\|32768\let|\SetVert @@ -82,3 +89,5 @@ \fi % May 2005: Double verticals; tweak spacing. +% June 2005: Make robust +% Sept 2006: fourier -- cgit v1.2.3